Add 75/72 and 1/9
1st number: 1 3/72, 2nd number: 1/9
75/72 + 1/9 is 83/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
75/72 = 75 × 1/72 × 1 = 75/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
1/9 = 1 × 8/9 × 8 = 8/72 - Add the two like fractions:
75/72 + 8/72 = 75 + 8/72 = 83/72 - So, 75/72 + 1/9 = 83/72
In mixed form: 111/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72+2/9 75/72+1/18 75/72+3/9 75/72+1/27 75/72+5/9 75/72+1/45 75/72+7/9 75/72+1/63